<?php
-require_once("include/dba.php");
-
-/**
- * translation support
- */
-
-
/**
+ * @brief translation support
*
- * Get the language setting directly from system variables, bypassing get_config()
+ * Get the language setting directly from system variables, bypassing Config::get()
* as database may not yet be configured.
*
* If possible, we use the value from the browser.
*
*/
+use Friendica\Core\Config;
+
+require_once "include/dba.php";
-if(! function_exists('get_browser_language')) {
+/**
+ * @brief get the prefered language from the HTTP_ACCEPT_LANGUAGE header
+ */
function get_browser_language() {
- if (x($_SERVER,'HTTP_ACCEPT_LANGUAGE')) {
+ if (x($_SERVER, 'HTTP_ACCEPT_LANGUAGE')) {
// break up string into pieces (languages and q factors)
preg_match_all('/([a-z]{1,8}(-[a-z]{1,8})?)\s*(;\s*q\s*=\s*(1|0\.[0-9]+))?/i',
$_SERVER['HTTP_ACCEPT_LANGUAGE'], $lang_parse);
+ $lang_list = [];
if (count($lang_parse[1])) {
- for ($i=0; $i<count($lang_parse[1]); $i++) {
- if ( strlen($lang_parse[1][$i])>2 ) {
- if (! in_array(substr($lang_parse[1][$i], 0, 2), $lang_parse[1] ) ) {
- array_push($lang_parse[1], substr($lang_parse[1][$i], 0, 2));
- if (floatval($lang_parse[4][$i])>0)
- array_push($lang_parse[4], strval(floatval($lang_parse[4][$i])-0.0001));
- else
- array_push($lang_parse[4], '0.9999');
+ // go through the list of prefered languages and add a generic language
+ // for sub-linguas (e.g. de-ch will add de) if not already in array
+ for ($i = 0; $i < count($lang_parse[1]); $i++) {
+ $lang_list[] = strtolower($lang_parse[1][$i]);
+ if (strlen($lang_parse[1][$i])>3 ) {
+ $dashpos = strpos($lang_parse[1][$i], '-');
+ if (!in_array(substr($lang_parse[1][$i], 0, $dashpos), $lang_list ) ) {
+ $lang_list[] = strtolower(substr($lang_parse[1][$i], 0, $dashpos));
}
}
}
- // create a list like "en" => 0.8
- $langs = array_combine($lang_parse[1], $lang_parse[4]);
-
- // set default to 1 for any without q factor
- foreach ($langs as $lang => $val) {
- if ($val === '') $langs[$lang] = 1;
- if ($val === '0') $langs[$lang] = 1;
- }
-
- // sort list based on value
- arsort($langs, SORT_NUMERIC);
- print_r($langs);
}
}
- if(isset($langs) && count($langs)) {
- foreach ($langs as $lang => $v) {
- if(file_exists("view/lang/$lang") && is_dir("view/lang/$lang")) {
- $preferred = $lang;
- break;
- }
+ // check if we have translations for the preferred languages and pick the 1st that has
+ for ($i = 0; $i < count($lang_list); $i++) {
+ $lang = $lang_list[$i];
+ if ($lang === 'en' || (file_exists("view/lang/$lang") && is_dir("view/lang/$lang"))) {
+ $preferred = $lang;
+ break;
}
}
-
- if(isset($preferred))
+ if (isset($preferred)) {
return $preferred;
+ }
- $a = get_app();
- return ((isset($a->config['system']['language'])) ? $a->config['system']['language'] : 'en');
-}}
+ // in case none matches, get the system wide configured language, or fall back to English
+ return Config::get('system', 'language', 'en');
+}
function push_lang($language) {
$a->langsave = $lang;
- if($language === $lang)
+ if ($language === $lang) {
return;
+ }
- if(isset($a->strings) && count($a->strings)) {
+ if (isset($a->strings) && count($a->strings)) {
$a->stringsave = $a->strings;
}
$a->strings = array();
function pop_lang() {
global $lang, $a;
- if($lang === $a->langsave)
+ if ($lang === $a->langsave) {
return;
+ }
- if(isset($a->stringsave))
+ if (isset($a->stringsave)) {
$a->strings = $a->stringsave;
- else
+ } else {
$a->strings = array();
+ }
$lang = $a->langsave;
}
-
// l
-if(! function_exists('load_translation_table')) {
/**
* load string translation table for alternate language
*
* @param string $lang language code to load
*/
function load_translation_table($lang) {
- global $a;
+ $a = get_app();
$a->strings = array();
// load enabled plugins strings
- $plugins = q("SELECT name FROM addon WHERE installed=1;");
- if ($plugins!==false) {
- foreach($plugins as $p) {
- $name = $p['name'];
- if(file_exists("addon/$name/lang/$lang/strings.php")) {
- include("addon/$name/lang/$lang/strings.php");
- }
+ $plugins = dba::select('addon', array('name'), array('installed' => true));
+ while ($p = dba::fetch($plugins)) {
+ $name = $p['name'];
+ if (file_exists("addon/$name/lang/$lang/strings.php")) {
+ include("addon/$name/lang/$lang/strings.php");
}
}
- if(file_exists("view/lang/$lang/strings.php")) {
+ if (file_exists("view/lang/$lang/strings.php")) {
include("view/lang/$lang/strings.php");
}
-}}
-
-// translate string if translation exists
-
-if(! function_exists('t')) {
-function t($s) {
+}
+/**
+ * @brief Return the localized version of the provided string with optional string interpolation
+ *
+ * This function takes a english string as parameter, and if a localized version
+ * exists for the current language, substitutes it before performing an eventual
+ * string interpolation (sprintf) with additional optional arguments.
+ *
+ * Usages:
+ * - t('This is an example')
+ * - t('URL %s returned no result', $url)
+ * - t('Current version: %s, new version: %s', $current_version, $new_version)
+ *
+ * @param string $s
+ * @return string
+ */
+function t($s)
+{
$a = get_app();
- if(x($a->strings,$s)) {
+ if (x($a->strings, $s)) {
$t = $a->strings[$s];
- return is_array($t)?$t[0]:$t;
+ $s = is_array($t) ? $t[0] : $t;
}
+ if (func_num_args() > 1) {
+ $args = array_slice(func_get_args(), 1);
+ $s = @vsprintf($s, $args);
+ }
+
return $s;
-}}
+}
-if(! function_exists('tt')){
-function tt($singular, $plural, $count){
+/**
+ * @brief Return the localized version of a singular/plural string with optional string interpolation
+ *
+ * This function takes two english strings as parameters, singular and plural, as
+ * well as a count. If a localized version exists for the current language, they
+ * are used instead. Discrimination between singular and plural is done using the
+ * localized function if any or the default one. Finally, a string interpolation
+ * is performed using the count as parameter.
+ *
+ * Usages:
+ * - tt('Like', 'Likes', $count)
+ * - tt("%s user deleted", "%s users deleted", count($users))
+ *
+ * @global type $lang
+ * @param string $singular
+ * @param string $plural
+ * @param int $count
+ * @return string
+ */
+function tt($singular, $plural, $count)
+{
global $lang;
$a = get_app();
- if(x($a->strings,$singular)) {
+ if (x($a->strings, $singular)) {
$t = $a->strings[$singular];
- $f = 'string_plural_select_' . str_replace('-','_',$lang);
- if(! function_exists($f))
- $f = 'string_plural_select_default';
- $k = $f($count);
- return is_array($t)?$t[$k]:$t;
- }
-
- if ($count!=1){
- return $plural;
+ if (is_array($t)) {
+ $plural_function = 'string_plural_select_' . str_replace('-', '_', $lang);
+ if (function_exists($plural_function)) {
+ $plural_function = 'string_plural_select_default';
+ }
+ $i = $plural_function($count);
+ $s = $t[$i];
+ } else {
+ $s = $t;
+ }
+ } elseif (string_plural_select_default($count)) {
+ $s = $plural;
} else {
- return $singular;
+ $s = $singular;
}
-}}
+
+ $s = @sprintf($s, $count);
+
+ return $s;
+}
// provide a fallback which will not collide with
// a function defined in any language file
+function string_plural_select_default($n)
+{
+ return $n != 1;
+}
-if(! function_exists('string_plural_select_default')) {
-function string_plural_select_default($n) {
- return ($n != 1);
-}}
/**
- * Return installed languages as associative array
- * [
- * lang => lang,
- * ...
- * ]
+ * @brief Return installed languages codes as associative array
+ *
+ * Scans the view/lang directory for the existence of "strings.php" files, and
+ * returns an alphabetical list of their folder names (@-char language codes).
+ * Adds the english language if it's missing from the list.
+ *
+ * Ex: array('de' => 'de', 'en' => 'en', 'fr' => 'fr', ...)
+ *
+ * @return array
*/
-function get_avaiable_languages() {
- $lang_choices = array();
- $langs = glob('view/lang/*/strings.php'); /**/
-
- if(is_array($langs) && count($langs)) {
- if(! in_array('view/lang/en/strings.php',$langs))
- $langs[] = 'view/lang/en/';
- asort($langs);
- foreach($langs as $l) {
- $t = explode("/",$l);
- $lang_choices[$t[1]] = $t[1];
+function get_available_languages() {
+ $langs = array();
+ $strings_file_paths = glob('view/lang/*/strings.php');
+
+ if (is_array($strings_file_paths) && count($strings_file_paths)) {
+ if (!in_array('view/lang/en/strings.php', $strings_file_paths)) {
+ $strings_file_paths[] = 'view/lang/en/strings.php';
+ }
+ asort($strings_file_paths);
+ foreach ($strings_file_paths as $strings_file_path) {
+ $path_array = explode('/', $strings_file_path);
+ $langs[$path_array[2]] = $path_array[2];
}
}
- return $lang_choices;
+ return $langs;
}